Square D FC34020-1021 20A 3-Pole 480 V Circuit Breaker

Square D FC34020-1021 is a robust 20A, 3-Pole, 480 V circuit breaker designed to protect three-phase electrical systems in demanding industrial and commercial environments. Built to guard against overcurrent and short-circuit conditions, it helps keep equipment protected and downtime to a minimum.

• Part Number: FC34020-1021
• Current rating: 20 A per pole
• Poles: 3
• Voltage rating: 480 V AC

Why this breaker matters in real-world setups:

• Three-phase protection: The 3-pole design aligns with typical 3-phase distribution systems, ensuring balanced protection across all legs of your 480V circuit.
• Precise current protection: With a dedicated 20 A rating, it safeguards motors, drives, and other equipment without nuisance tripping on normal startup surges.
• Industrial-grade reliability: Square D devices are engineered for longevity in harsh environments, delivering predictable performance when it matters most.
• Compatibility with 480V panels: This part is ideal for installations and replacements in panels that serve heavy-duty, three-phase loads at 480V.

Ideal use cases include protecting three-phase motor circuits, HVAC drives, process equipment, and other 480V distribution loads in manufacturing floors, data centers, commercial facilities, and industrial control panels. If your system runs on 480V with three current-carrying poles, this FC34020-1021 breaker provides dependable overcurrent protection tailored to that configuration.

Practical installation and performance notes:

• Professional installation recommended: Have a licensed electrician connect and torque terminals according to manufacturer specifications and local electrical codes.
• Panel compatibility: Use in Square D-compatible panels designed to accept 3-pole 480V breakers of this style and rating.
• System planning: Match the breaker rating to your protected load and plan for future expansion in 3-phase 480V layouts to maintain consistent protection margins.

In short, the Square D FC34020-1021 20A 3-Pole 480 V Circuit Breaker is a purpose-built solution for reliable, current-accurate protection of 3-phase 480V circuits. Its targeted rating, concrete three-pole design, and trusted Square D engineering make it a standout choice for safeguarding valuable equipment and keeping operations running smoothly.